TRCI-26-04731
Senior.NET Backend Developer (Azure, X.509 Certificates, Windows Services)
Senior.NET Backend Developer needed on contract in Denmark (Bjerringbro; initial onsite then remote possible) to build, maintain and support a secure certificate provisioning solution for device onboarding and certificate lifecycle management. The work is hands-on C#/.NET 8/10 with ASP.NET Core APIs and Windows Services, integrating Azure Blob Storage, Key Vault and Application Insights, plus production troubleshooting and CI/CD automation in Azure DevOps with a strong focus on security, reliability and integrations.
Position summary
- Location
- Denmark
- Workplace
- On-site
- Employment
- Contract
- Experience
- Minimum 5 years and Maximum 10 years
Role overview
Why This Role Matters.
Senior.NET Backend Developer needed on contract in Denmark (Bjerringbro; initial onsite then remote possible) to build, maintain and support a secure certificate provisioning solution for device onboarding and certificate lifecycle management. The work is hands-on C#/.NET 8/10 with ASP.NET Core APIs and Windows Services, integrating Azure Blob Storage, Key Vault and Application Insights, plus production troubleshooting and CI/CD automation in Azure DevOps with a strong focus on security, reliability and integrations.
Your Impact
Deliver Enterprise Value
Help organisations solve complex business problems through modern technology, consulting expertise and measurable outcomes.
Collaboration
Work Across Teams
Collaborate with consultants, architects, engineers and client stakeholders throughout the project lifecycle.
Growth
Learn Continuously
Gain exposure to enterprise technologies, certifications, mentoring and real-world project experience.
Career Path
Grow With Ubique
Build a long-term consulting career with opportunities to take on greater responsibility and leadership over time.
Responsibilities
What You'll Be Doing.
Every role at Ubique contributes directly to solving meaningful business challenges for our clients.
Develop and maintain.NET 8/10 backend services, Windows Services, and ASP.NET Core APIs.
Support X.509/other certificate generation, validation, storage, and lifecycle management.
Maintain integrations with Azure Blob Storage, Key Vault, and Application Insights.
Troubleshoot production issues across application, infrastructure, and certificate-related workflows.
Maintain CI/CD pipelines, deployment automation, and release processes using Azure DevOps.
Contribute to testing, code reviews, and engineering best practices.
Participation in clarification of requirements and coordination with stakeholders.
Strong experience with C#,.NET 8/10, ASP.NET Core, and Windows Services.
Experience with Azure Blob Storage, Key Vault, Application Insights, and Azure DevOps.
Knowledge of X.509/other certificates, and certificate lifecycle management.
Strong understanding of async programming, dependency injection, file handling, and troubleshooting.
Technology stack
Tools & Technologies.
The platforms and technologies you'll use to build modern, enterprise-grade solutions.
C#
Dotnet
.NET 8
.NET 10
ASP.NET Core
Web API
Windows Service
Azure
Azure Blob Storage
Azure Key Vault
Azure Application Insights
Azure DevOps
CI/CD
Git
PowerShell
Windows Server
X.509
PKI
Certificates
OpenSSL
Requirements
Skills & Experience.
We value curiosity, collaboration and continuous learning. If you don't meet every requirement but believe you can make an impact, we'd still love to hear from you.
Essential
Required Qualifications
C#
Backend development with.NET 8/10
ASP.NET Core Web APIs
Windows Services
Azure Blob Storage
Azure Key Vault
Azure Application Insights
Azure DevOps
X.509 certificates (generation/validation/storage)
Certificate lifecycle management
Async programming in.NET (async/await, Tasks)
Dependency Injection in.NET
File handling in.NET
Troubleshooting production issues (application/infrastructure/certificate workflows)
Git
PowerShell
CI/CD pipelines
Windows Server environments
Preferred
Nice to Have
5+ years.NET backend development
OpenSSL
Certificate automation
Secure credential management
Production monitoring and observability
Enterprise integrations
Code reviews
Backend engineering best practices
What you'll gain
More Than Just A Job.
We're committed to helping every team member grow professionally, personally and technically while working on meaningful projects.
Global Exposure
Collaborate with international clients and multicultural teams on enterprise programmes.
Continuous Learning
Expand your expertise through mentoring, certifications and hands-on project experience.
Career Growth
Take ownership, develop leadership skills and grow your consulting career over time.
Flexible Working
Hybrid and remote collaboration designed around trust and delivering exceptional outcomes.
People First
Join a supportive culture where collaboration, respect and long-term relationships come first.
Enterprise Projects
Work on meaningful technology initiatives for leading organisations across industries.
Apply
Apply for Senior.NET Backend Developer (Azure, X.509 Certificates, Windows Services)
One page, about two minutes. We only ask for what we actually need to have a first conversation.